the best answer for this is c i think
Answer:
multiply equn q by 3 .
when u will multiply equn 1 by 3 then you will get,9x+3y=39 and second equn is4x_3y=13 so, y can be cancelled and get the value of x for the first time and by putting the value of x you will find the value of y.
1/4 to 1/2 percentage of change is 1/2
The answer is June 11
Please brainliest
